Amazing story and huge congrats! It's funny how the tool itself seems quite niche-y, but bootstrapping to 1M ARR in 4 years definitely proves that hypothesis wrong; fantastic job :)
replies(2):
- Any of a few dozen "retirement calculators," each consisting of 6 fields and very simple outputs
- Building out a series of buggy spreadsheets
- Projection Lab
After messing around for it a bit, it was a "shut up and take my money" situation. It was cheap, it was powerful, it was nice to use, and it has been the foundation for my personal financial strategy for the last few years!